Single-row cylindrical roller bearings
NU2960M Cylindrical Roller Bearing Dimensions & Specifications
NU2960M cylindrical roller bearing: 300 mm bore (d), 420 mm outside diameter (D), 72 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 300 mm |
|---|---|
| Outside diameter D | 420 mm |
| Width B | 72 mm |
| Mass | 30.3 kg |
| Catalogue dynamic load Cr | 725 kN |
| Catalogue static load Cor | 1370 kN |
| Grease-lubricated speed grease | 1400 rpm |
| Oil-lubricated speed oil | 1700 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 398 mm |
|---|---|
| Abutment dimension db db | 320 mm |
| Minimum chamfer r12 r12 | 3 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Maximum fillet ra ra | 2.5 mm |
| Maximum fillet rb rb | 2.5 mm |
| Roller envelope diameter Fw Fw | 332 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2960M?
The NU2960M catalogue lists Da = 398 mm; ra ≤ 2.5 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.
What speed values are available for NU2960M?
The listed values for NU2960M are grease: 1400 rpm; oil: 1700 rpm. These catalogue references do not determine a safe operating speed on their own. Confirm load, clearance, lubrication and heat conditions for the application.
What is the reference mass of NU2960M?
The catalogue reference mass for NU2960M is 30.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

